Briar and Bramble, who lost their mother Barbara when they were cubs, are thrown into danger when escorting a scientist, which may lead them to a family reunion.
| Actor | Role |
|---|---|
 Zhang Bingjun熊二 (voice) | 熊二 (voice) |
 Zhang Wei熊大 (voice) | 熊大 (voice) |
 Yingying Miu熊妈妈 (voice) | 熊妈妈 (voice) |
 Tan Xiao光头强 (voice) | 光头强 (voice) |
 贾晨露苏洛/幼儿熊大 (voice) | 苏洛/幼儿熊大 (voice) |
 Ming Zhang幼儿熊二 (voice) | 幼儿熊二 (voice) |
 王思雨苏洛妈妈 (voice) | 苏洛妈妈 (voice) |
 聂吉轩东海 (voice) | 东海 (voice) |
 王天昊南洋 (voice) | 南洋 (voice) |
 周子瑜配音 (voice) | 配音 (voice) |
 Li Wanyao配音 (voice) | 配音 (voice) |