Love in Contract

Choi Sang-eun gives customized marriage contracts for singles needing a marriage. After 13 years in the business, she wants to retire but finds it hard to end it with Jung Ji-ho, a long-term customer of Mon, Wed, and Fri. They’ve been together for 5 years, but she knows nothing about him and delays ending their contract. Meanwhile, superstar Kang Hae-jin moves in the top floor of Ji-ho’s house...

Sang-eun's hurt by Ji-ho asking to end the contract first. She delays it giving a flimsy excuse. She's strangely upset with him and is confused by it. Meanwhile, Hae-jin sees his first love Sang-eun who disappeared 13 years ago after leaving a strong impression but is shocked she is Ji-ho’s wife. To make the matters worse, he witnesses Ji-ho’s strangeness and believes that she is in danger...

Sang-eun, Ji-ho and Hae-jin have a three-way encounter at the mansion. Ji-ho reveals his identity to Hae-jin due to his suspicion. Sang-eun gets to know Ji-ho a little bit more but despite what she wants the time for to end the contract comes. When the contract ends, restless Sang-eun visits Ji-ho with divorce papers as an excuse to see him but is attacked by a mysterious armed-man...