True-Life nature photography is used to tell the tale of a female tree squirrel named Perri who encounters many different forest creatures, both friendly and dangerous, as she grows up through the four seasons and finds a mate named Porro.。该剧讲述了20世纪70年代末至90年代末中国社会、经济、思想大变革、大冲突时期当代中国人的奋斗、坎坷、矛盾、困惑、自省以及对人生价值定位的苦苦探索的故事。