Mike's implication was crystal clear, that Yang Yi would emerge as the savior when Brian had lost all hope.
At present, Brian had just come out of prison and hadn't officially started searching for Kate, whom he'd been ruminating over for decades—Kate, his lover.
Brian had now found two helpers. Although Paul and Charles were also keen to root out the mole that caused their dissolution, the camaraderie forged in the trenches was exceptional. Their objective might be to find the mole, but they would still wholeheartedly assist Brian in his search for Kate, without a single complaint.
So even though Brian's team only consisted of two others, the three of them together constituted the Pandora Squad, a unit not even death could part.