A criminal syndicate, taking advantage of the civil war and street riots, seizes power in a small third world country. With risk for her life Chinese journalist Hannah decides to infiltrate the refugee camp, but ends up in the hands of international criminals
When a rocket attack on a hydroelectric power station in Sarang is completed, the Chinese side sends the National Security Bureau's "Thunderbolt Team" to escort Chinese experts to support the repair, but unexpectedly there is a hidden agenda and spy game for the attack on the power station.
All Yuan Zhinan has left behind when she passed away is a letter and an invitation to a school reunion. Attending the reunion in lieu of her late elder sister, Zhihua accidentally runs into Yin Chuan, on whom she had a crush in her youth. As old memories are evoked, and correspondences travel through different contexts and times, Zhihua slowly uncovers the intricate story of the trio.
