The Signal

Xia Chen is an award-winning student in a primary school in Qingdao. For this reason, his father and mother reward him with a trip to Beijing during his summer vacation. However, he can only go with one person. Although someone will pick him up and take care of him, he can only be contacted by secret code. Xia Chen is an award-winning student in a primary school in Qingdao. For this reason, his father and mother reward him with a trip to Beijing during his summer vacation. However, he can only go with one person. Although someone will pick him up and take care of him, he can only be contacted by secret code. Xia Chen is an award-winning student in a primary school in Qingdao. For this reason, his father and mother reward him with a trip to Beijing during his summer vacation. However, he can only go with one person. Although someone will pick him up and take care of him, he can only be contacted by secret code. Xia Chen is an award-winning student in a primary school in Qingdao. For this reason, his father and mother reward him with a trip to Beijing during his summer vacation. However, he can only go with one person. Although someone will pick him up and take care of him, he can only be contacted by secret code.