When Liam asked Sophia and Zhen-Zhen about what they were doing in that place, they told him that Tristan and Matthew were admitted to the hospital because of an accident.
They didn't specify the details of the accident. Liam didn't ask further. He also informed the girl that he was about to go home when he got hungry so he dropped by the convenience store to buy something.
Liam couldn't help but look at Zhen-Zhen intently. His penetrating gaze caught the attention of Sophia. She wondered why Liam was looking at Zhen-Zhen with complicated emotions on his face.
Sophia and Zhen-Zhen said goodbye to Liam and were about to leave the convenience store when he suddenly grabbed Zhen-Zhen's hand, thus stopping her from moving.
Both Zhen-Zhen and Sophia were startled by his sudden action. He was gripping Zhen-Zhen's hand tightly.
