その小説の筋はわからない。

that (something or someone distant from the speaker, close to the listener; actions of the listener, or ideas expressed or understood by the listener); the; um...; er...; uh...

novel; (short) story

indicates possessive; nominalizes verbs and adjectives; substitutes for "ga" in subordinate phrases; (at sentence-end, falling tone) indicates a confident conclusion; (at sentence-end) indicates emotional emphasis; (at sentence-end, rising tone) indicates question

muscle; tendon; sinew; vein; artery; fiber; fibre; string; line; stripe; streak; reason; logic; plot; storyline; lineage; descent; school (e.g. of scholarship or arts); aptitude; talent; source (of information, etc.); circle; channel; well-informed person (in a transaction); logical move (in go, shogi, etc.); ninth vertical line; seam on a helmet; gristly fish paste (made of muscle, tendons, skin, etc.); social position; status; on (a river, road, etc.); along; counter for long thin things; counter for roads or blocks when giving directions; (Edo period) counter for hundreds of mon (obsolete unit of currency)

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

to understand; to comprehend; to grasp; to see; to get; to follow; to become clear; to be known; to be discovered; to be realized; to be realised; to be found out