This is the 2595th most frequent Polish word.
taki
"Such" or "like this/that."
In this sentence, 'taki' is used as a demonstrative adjective, meaning 'such' or 'that kind of', referring to the described plan.
Taki był plan od samego początku.
Such was the plan from the very beginning.
'Taki' here is used as an adjective modifying the noun, expressing the meaning 'such'.
Nie spodziewałem się, że spotkam takiego człowieka.
I did not expect to meet such a person.
In this sentence, 'taki' functions as an intensifier, giving emphasis to the spectacle being described.