What is Cape No. 7 about? Who are the actors and what roles are they playing?

Cape No. 7 plot introduction

More than sixty years ago, Taiwan was liberated and the Japanese evacuated. A Japanese male teacher boarded a ship leaving Taiwan alone, and also left his lover in Taiwan: Tomoko. Unable to express his feelings for Tomoko in person, he turned his nostalgia and love into words and wrote them on pieces of letter paper.

More than sixty years later, Ajia, a young band lead singer who returned home frustrated from Taipei, became a special postman in the small town of Hengchun under the arrangement of his stepfather; Tomoko, a has-been model from Japan , somehow he was forced to stay in Hengchun and start working on concerts. In order to obtain a rare performance opportunity, Ajia's stepfather initiated the action of forming his own band, whose members came from local residents.

So, the seemingly ordinary town residents, Ajia, the lead singer of the frustrated band, Mao Bo, an old postman who can only play the Yueqin, Water Frog, a gangster in the car repair shop, and the choir piano accompaniment of Da and Xiao... Malasang, a rice wine manufacturer, and Rauma, a traffic policeman, formed an eye-popping band.