Following a catastrophic Doomsday occurrence, Qin An is left in shock when his girlfriend of seven years unexpectedly turns against him. Nevertheless, as he investigates the situation further, he realizes that there are multiple enigmatic signs to decipher, and that things are not as unambiguous as they seemed. Puzzled about the right course of action, Qin An embarks on a personal journey of exploration, which takes him on a quest for comprehension and affection.