In order to save the family law firm, newcomer lawyer Su Wan unexpectedly enters into a "contractual love" with Gu Yanzhou, a technology upstart. It was originally a deal where each got what he wanted, but he became her staunchest ally in court and her ubiquitous support in life. When the contract expired, she was about to leave the show gracefully, but he blocked the door: "Miss Lawyer, we still need to have an in-depth discussion about the terms of the 'lifetime contract'..."
