Hey, everyone! How’s it going? Today I’m here to review the drama Terius Behind Me (also known as My Secret Terrius), which delivers a delightful combination of romantic comedy, espionage thriller, and heartwarming family drama that proves So Ji-sub can master any genre he touches.
Terius Behind Me aired on MBC from September 27 to November 15, 2018, with 32 episodes running approximately 35 minutes each on Wednesday and Thursday nights at 21:55 KST. This romantic comedy thriller follows a single mother who teams up with her mysterious neighbor, a legendary NIS agent, to uncover the truth behind her husband’s sudden death and the conspiracy that destroyed her family. The series masterfully combines elements of spy action, romantic comedy, and slice-of-life family drama to create one of 2018’s most charming and entertaining K-dramas.
What sets Terius Behind Me apart is its perfect balance of genres, seamlessly shifting between heart-stopping action sequences and laugh-out-loud comedy moments without ever losing its emotional core. The series doesn’t shy away from serious themes about loss and conspiracy while maintaining a light-hearted tone that makes every episode genuinely fun to watch.
From Perfect Wife to Widowed Detective: A Mother’s Fight for Truth
Go Ae-rin is a former copywriter who gave up her career to become a devoted wife and mother to twins. When her husband dies suddenly in what appears to be a tragic accident, Ae-rin’s comfortable life crumbles as she struggles to support her children alone. Her attempts to find work lead her to discover that her husband was involved in something far more dangerous than she ever imagined.
The series excels at showing how ordinary people can be thrust into extraordinary circumstances through no fault of their own. Ae-rin’s transformation from sheltered housewife to determined investigator isn’t just about solving her husband’s case – it becomes about reclaiming her independence and discovering strengths she never knew she possessed. Her journey from naive widow to capable partner creates both comedic moments and genuine character growth.
Go Ae-rin: The Unlikely Spy Who Discovers Her Own Power
Jung In-sun delivers a charming and relatable performance as Go Ae-rin, showcasing remarkable range as she evolves from overwhelmed single mother to confident woman capable of holding her own in dangerous situations. Her portrayal balances Ae-rin’s natural comedic timing with genuine emotional depth when dealing with grief and fear for her children’s safety.
What makes Ae-rin so compelling is how Jung In-sun shows the character’s gradual awakening to her own capabilities. The performance captures both Ae-rin’s fish-out-of-water moments when dealing with spy technology and her natural intelligence when piecing together clues. Her chemistry with both her children and Kim Bon creates the emotional foundation that makes every dangerous situation feel genuinely stakes-heavy.
Kim Bon: The Legendary Agent Who Discovers Family
So Ji-sub brings his characteristic intensity and unexpected comedic chops to Kim Bon, a legendary NIS black ops agent whose cover as a stay-at-home neighbor becomes complicated when he genuinely grows to care about Ae-rin and her children. His character represents the perfect blend of deadly competence and domestic incompetence that creates constant entertainment.
The brilliance of Kim Bon’s character lies in how So Ji-sub shows the contrast between his professional ruthlessness and his genuine gentleness with children. His relationship with Ae-rin’s twins becomes the key to his character development, forcing him to consider what he’s willing to sacrifice for the family he’s grown to love. The spy who can take down entire criminal organizations but struggles with basic parenting becomes both hilarious and deeply endearing.
The Conspiracy Unravels: When Domestic Life Meets International Intrigue
The series reaches its most thrilling moments when Kim Bon’s past collides with Ae-rin’s investigation, revealing that her husband’s death is connected to a massive international conspiracy. As they work together to expose the truth, their partnership evolves from reluctant cooperation to genuine trust and eventual romance.
What makes these revelations so satisfying is how the series balances the serious stakes of international espionage with the very real concerns of a mother trying to protect her children. Every action sequence is grounded in emotional reality, making viewers care as much about family dinner conversations as high-speed chases and covert operations.
Success on MBC
Terius Behind Me became a beloved hit for MBC, praised for its perfect tonal balance and the chemistry between So Ji-sub and Jung In-sun. The series proved that romantic comedies could successfully incorporate action and thriller elements without sacrificing either genre’s strengths. Viewers consistently praised the show’s ability to make them laugh and cry within the same episode, while the child actors received particular acclaim for their natural performances that never felt forced or overly cute.
A Genre-Blending Masterpiece That Hits Every Note
If you love romantic comedies with spy action and heartwarming family dynamics, Terius Behind Me is the perfect series to binge on Prime Video, WeTV, and various streaming platforms. The show delivers both laugh-out-loud entertainment and genuine emotional investment, creating a viewing experience that’s both fun and deeply satisfying.
Why This Secret Agent Family Deserves Your Mission
Terius Behind Me succeeds because it treats all of its genre elements with equal respect, never allowing comedy to undermine tension or romance to overshadow action. The series proves that the most entertaining dramas are those that blend multiple genres seamlessly while maintaining a strong emotional core, making it essential viewing for anyone who appreciates sophisticated entertainment that never takes itself too seriously.
Series Details
Number of Episodes: 32 episodes
Platform: MBC, Prime Video, WeTV, iflix, Viki
Release/End Year: 2018 (September 27 – November 15)
Current IMDb Rating: 7.6/10
Genre: Romance, Comedy, Action, Thriller, Family
Type of Production: K-drama (South Korean romantic comedy thriller)
Status: Completed
Protagonists: So Ji-sub (Kim Bon), Jung In-sun (Go Ae-rin)
Antagonists: Son Ho-jun (Yoo Ji-yeon), various international conspirators and NIS corrupt officials