It tells an emotional suspense story about a "lost" criminal policeman and an "identityless" orphan, from opposition to mutual redemption, and together they explore the truth and move towards light. A lonely and resolute policeman, a wild teenager, an unexpected entanglement... After the disappearance mystery intertwined with the murder conspiracy gradually surfaced, will it be a storm or a calm? Will it be mutual redemption or unforgivable? Malice may only last for a moment, but forgetting is so long. Before the rainbow appears, a past that cannot be passed, two fathers who do not give up, and three families worried about their hearts are all waiting for an answer...