Hui Jian and Yuan Dagu, one is an elite of TPC and the other is an ordinary staff member of the Ministry of Transport. An accident allows Dagu to join the newly established victory team, and the captain is Hui Hui. They get along day and night, sharing weal and woe, and their relationship has quietly changed. From senior to junior, sister to younger brother, to lovers, can they make it to the end and welcome the light...