Yang Tianle receives a phone call from his old classmate Han Yang one morning, inviting everyone to a meeting at an old villa in the wilderness. The same day, Yang drives with Jiang Weiping to the villa, where the old classmates come in twos and threes. In this quiet corner, they are talking and laughing, generally being noisy. Just as the party is going well, a sudden heavy rain hits, disturbing the crowd of Masin. While they are hid in the room sulking, Han Yang suddenly surprises everyone with the unexpected guest Lin Yue. Fifteen years ago, these good classmates went to White Dragon Pool to play at night. When they played Ouija, Lin Yue was severely burned by an inexplicable fire. Weirdly though, his face now has no signs of burns. As night falls, when everyone is enjoying the time, Jiang Weiping unexpectedly dies. With this as an opportunity, everyone becomes involved in the terrible darkness.

This movie tells a story of young people from 'Ant tribe' in Beijing. By telling the story of these young people, Today and Tomorrow shows the psychological changes of college graduates. It reflects their confusion about future and love. The movie chooses 'Ant tribe' to show a unique aspect of the Chinese society. It encourages all the young people facing problems to learn from the 'Ant tribe' spirit and strive for a bright future.