皇子萧景承前世遭嫡兄太子萧景炎陷害，与母妃沈才人一同被皇帝赐死。重生后，他洞悉萧景炎与皇后的毒计，先是在送药事件中识破阴谋，又在突厥和亲宴上揭露太子栽赃。洛城灾乱时，他以奇策平抑粮价，赢得民心。面对萧景炎勾结外敌谋反，萧景承布下天罗地网，最终在重阳宫宴上粉碎叛乱。皇帝认清嫡子真面目，废黜萧景炎，传位萧景承。

小五學生晉安為精進棋藝，向擺象棋殘局行騙的大叔尋求指導，兩人在虛假的謊言中建立出真實的情感。 On, a primary school boy, seeks guidance from a Chinese chess scammer, who sets up endgames in the park. The two lonely souls find solace in their mentorship as they lie their ways out.