该剧改编自韩剧《金汤匙》。绝境少年张小北（王瑞昌 饰）手握命运之匙，与顶级富二代盛元州（曹恩齐 饰）互换人生！逆袭暴富护家人、揪出害姐姐的真凶，两少年双向救赎治愈彼此，限时30天抉择中充满人性考验，最终二人联手揭秘豪门阴谋，向幕后黑手硬核复仇！
本剧讲述了警察朱骁因追查721投毒抛尸案，导致身患抑郁症的恋人自杀身亡，丢失了警察初心，陷入彷徨，但仍然砥砺前行，最终破除迷茫，查清恋人之死真相，实现了自我治愈和自我拯救，重拾警察信心的故事。
平成初期神奈川县中小学间流行的《桃之歌》，相传吟唱后便能找到失物。这首童谣近年再度于年轻人中流行，但吟唱者却接连遭遇离奇死亡。 occult杂志《尼斯湖》的记者桝村研一（樫尾笃纪 饰）在调查连续离奇命案过程中，逐渐揭开隐藏在这首童谣背后的悲伤真相。
Juliette's problem is that she is totally incapable of making up her mind about anything. So even at 40, she still asks her father and her two best friends to choose everything for her. When her love life crosses the road of Paul then of Stephen, as charming and different as the other, necessarily, the heart of Juliette swings. For the first time, nobody can decide for her .
