Poor little Calvin looks so weak and hungry while Casi keeps acting strangely toward him. In this emotional moment, Calvin tries his best to stay close to his mom, hoping to get enough milk and comfort, but sadly he still looks exhausted and underfed. Watching him struggle makes everyone feel pity for this innocent baby monkey. Why is Casi behaving like this to poor Calvin? Fans are worried about his health and hope he can become stronger soon with proper care and love. This touching story shows the difficult life of baby monkeys and the challenges they face every day in their early lives.