Xu Qingtian is invited to attend the 5th anniversary celebration of her best friend of ten years, Hao Meili's company, but unexpectedly discovers hidden motives behind this gathering. Triggered by a consumer bill controversy, their many years of friendship gradually develop cracks. Thereafter, both become business competitors, experiencing project bidding, operational tests, and responsibility disputes. Facing the collision between friendship and interests, Xu Qingtian sticks to her principles, while Hao Meili re-examines her choices amidst setbacks. Both finally learn to respect boundaries and walk toward new stages of their lives respectively.